3 dimensinal chessboard



FIG. 1 is a front elevational view of the 3 dimensional chessboard showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a reduced top plan view thereof;

FIG. 6 is a reduced bottom plan view thereof, and,

FIG. 7 is a reduced perspective view thereof. 

The ornamental design for a 3 dimensional chessboard, as shown and described. 